Finding the Fourth Proportional to 576,121.20, 864,181.80 and 576,121.20
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Solution
The fourth proportional to 576,121.20, 864,181.80 and 576,121.20 is: 864,181.80
Step by Step Solution
- Step 1: Write the proportion equation
576,121.20 : 864,181.80 = 576,121.20 : x - Step 2: Convert to fraction form
576,121.20/864,181.80 = 576,121.20/x - Step 3: Cross multiply
576,121.20x = 864,181.80 × 576,121.20 - Step 4: Simplify right side
576,121.20x = 497,873,455,634.16 - Step 5: Solve for x
x = 497,873,455,634.16/576,121.20 - Step 6: Final answer
x = 864,181.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.